Source for org.omg.CORBA.ServiceInformationHelper

   1: /* ServiceInformationHelper.java --
   2:    Copyright (C) 2005 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package org.omg.CORBA;
  40: 
  41: import gnu.CORBA.OrbRestricted;
  42: 
  43: import org.omg.CORBA.portable.InputStream;
  44: import org.omg.CORBA.portable.OutputStream;
  45: 
  46: /**
  47:  * Helper operations for the service information.
  48:  *
  49:  * This class is part of the service information support, but the
  50:  * 1.4 API specification states that this support should be not implemented.
  51:  *
  52:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  53:  */
  54: public abstract class ServiceInformationHelper
  55: {
  56:   /**
  57:    * The service information repository id.
  58:    */
  59:   private static String _id = "IDL:org/omg/CORBA/ServiceInformation:1.0";
  60: 
  61:   /**
  62:    * Extract the service information from the given Any.
  63:    */
  64:   public static ServiceInformation extract(Any a)
  65:   {
  66:     return read(a.create_input_stream());
  67:   }
  68: 
  69:   /**
  70:    * Get the service information repositroy id.
  71:    */
  72:   public static String id()
  73:   {
  74:     return _id;
  75:   }
  76: 
  77:   /**
  78:    * Insert the service information into the given Any.
  79:    */
  80:   public static void insert(Any a, ServiceInformation that)
  81:   {
  82:     OutputStream out = a.create_output_stream();
  83:     a.type(type());
  84:     write(out, that);
  85:     a.read_value(out.create_input_stream(), type());
  86:   }
  87: 
  88:   /**
  89:    * Read the service information from the given CDR input stream.
  90:    */
  91:   public static ServiceInformation read(InputStream istream)
  92:   {
  93:     ServiceInformation value = new ServiceInformation();
  94:     value.service_options = LongSeqHelper.read(istream);
  95: 
  96:     int n = istream.read_ulong();
  97:     value.service_details = new ServiceDetail[ n ];
  98: 
  99:     for (int i = 0; i < n; i++)
 100:       value.service_details [ i ] = ServiceDetailHelper.read(istream);
 101:     return value;
 102:   }
 103: 
 104:   /**
 105:    * Get the service information typecode.
 106:    */
 107:   public static TypeCode type()
 108:   {
 109:     ORB orb = OrbRestricted.Singleton;
 110: 
 111:     StructMember[] members = new StructMember[ 2 ];
 112:     TypeCode member;
 113: 
 114:     member =
 115:       orb.create_alias_tc("IDL:omg.org/CORBA/ServiceOptionSeq:1.0",
 116:                           "ServiceOptionSeq", LongSeqHelper.type()
 117:       );
 118: 
 119:     members [ 0 ] = new StructMember("service_options", member, null);
 120: 
 121:     member = ServiceDetailHelper.type();
 122:     member = orb.create_sequence_tc(0, member);
 123:     member =
 124:       orb.create_alias_tc("IDL:omg.org/CORBA/ServiceDetailSeq:1.0",
 125:                           "ServiceDetailSeq", member
 126:       );
 127:     members [ 1 ] = new StructMember("service_details", member, null);
 128: 
 129:     return
 130:     orb.create_struct_tc(ServiceInformationHelper.id(),
 131:                          "ServiceInformation", members
 132:     );
 133:   }
 134: 
 135:   /**
 136:    * Write the service information to the given CDR output stream.
 137:    */
 138:   public static void write(OutputStream ostream, ServiceInformation value)
 139:   {
 140:     LongSeqHelper.write(ostream, value.service_options);
 141: 
 142:     ostream.write_ulong(value.service_details.length);
 143: 
 144:     for (int i = 0; i < value.service_details.length; i++)
 145:       ServiceDetailHelper.write(ostream, value.service_details [ i ]);
 146:   }
 147: }